Question

solve 3x + 4y = 10 and 4x-4y=4 by Elimination
method.​

Answer 1

Answer:

x = 2

Step-by-step explanation:

By elimination method

3x + 4y = 10 .... (i)

4x – 4y = 4 ... (ii)

Multiplying equation (ii) and 1 by 2, we get

8x – 8y = 8 ... (iii)

6x + 8y = 20 ... (iv)

Adding equation (iv) and (iii), we get

14x + 0 = 28

x = 28/14 = 2

Answer 2

Answer:

Heyy...

Step-by-step explanation:

3x + 4y = 10-------------------(1)

4x - 4y = 4----------------------(2)

Adding eq(1) and (2), we get

    3x + 4y = 10

+  4x - 4y = 4

-------------------------

             7x=14

              x=14/7

            x = 2

Substituting x=2 in eq(1),

3x + 4y = 10

3(2) + 4y=10

6 + 4y = 10

     4y = 10-6

     4y = 4

       y = 4/4

      y = 1

(x,y) = (2,1) is the solution of the given simultaneous equations.

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